Disclosed is a transformer electrostatic ring with inter-columnar winding connecting function, which belongs to the technical field of transformers and is used to solve the problem of connecting wires of inter-columnar winding of an ultra high voltage high capacity transformer. The technical scheme comprises that the transformer electrostatic ring comprises an inner electrostatic ring and an outer electrostatic ring which are concentric, the inner electrostatic ring and the outer electrostatic ring fixed at the ends of the winding are coaxial with the winding, oil gaps and insulated crossover blocks which are distributed among the oil gaps are arranged between the inner electrostatic ring and the outer electrostatic ring, after being improved, an arcuate guide wire is added, the arcuate guide wire is an separate winding connecting wire, the middle portion of the arcuate guide wire are located in one section of the oil gap between the inner electrostatic ring and the outer electrostatic ring, two ends of the arcuate guide wire extend from the inside of the outer electrostatic ring along the radial direction of the electrostatic ring, oil gaps are disposed between the middle portion of the arcuate guide wire and the inner and outer electrostatic rings, and insulated crossover blocks are separately arranged among the oil gaps, and the leading-out end of a lead wire of the electrostatic ring is electrically connected with the leading-out end of the arcuate guide wire at the ends of the lead wire of the electrostatic ring and the arcuate guide wire. The transformer electrostatic ring not only improves electric field distribution around the connecting wires of inter-columnar winding, but also enables the lead wire to be fixed and in fine heat dissipation, thereby skillfully solving the problem of connecting the connecting wires of inter-columnar winding inside the body of the ultra high voltage and high capacity transformer.